表结构

create table dept(

-- 部门编号

deptno int unsigned auto_increment primary key,

-- 部门名称

dname varchar(15) ,

-- 部门所在位置

loc varchar(50)

)engine = InnoDB;

create table emp(

-- 雇员编号

empno int unsigned auto_increment primary key,

-- 雇员姓名

ename varchar(15) ,

-- 雇员职位

job varchar(10) ,

-- 雇员对应的领导的编号

mgr int unsigned ,

-- 雇员的雇佣日期

hiredate date ,

-- 雇员的基本工资

sal decimal(7,2) ,

-- 奖金

comm decimal(7,2) ,

-- 所在部门

deptno int unsigned ,

foreign key(deptno) references dept(deptno)

)engine = innodb;

create table salgrade(

-- 工资等级

grade int unsigned ,

-- 此等级的最低工资

losal int unsigned ,

-- 此等级的最高工资

hisal int unsigned

)engine=innodb;

create table bonus(

-- 雇员姓名

ename varchar(10),

-- 雇员职位

job varchar(9),

-- 雇员工资

sal decimal(7,2),

-- 雇员资金

comm decimal(7,2)

)engine=innodb;

初始化数据

INSERT INTO dept VALUES (10,'ACCOUNTING','NEW YORK');

INSERT INTO dept VALUES (20,'RESEARCH','DALLAS');

INSERT INTO dept VALUES (30,'SALES','CHICAGO');

INSERT INTO dept VALUES (40,'OPERATIONS','BOSTON');

INSERT INTO emp VALUES (7369,'SMITH','CLERK',7902,'1980-12-17',800,NULL,20);

INSERT INTO emp VALUES (7499,'ALLEN','SALESMAN',7698,'1981-2-20',1600,300,30);

INSERT INTO emp VALUES (7521,'WARD','SALESMAN',7698,'1981-2-22',1250,500,30);

INSERT INTO emp VALUES (7566,'JONES','MANAGER',7839,'1981-4-2',2975,NULL,20);

INSERT INTO emp VALUES (7654,'MARTIN','SALESMAN',7698,'1981-9-28',1250,1400,30);

INSERT INTO emp VALUES (7698,'BLAKE','MANAGER',7839,'1981-5-1',2850,NULL,30);

INSERT INTO emp VALUES (7782,'CLARK','MANAGER',7839,'1981-6-9',2450,NULL,10);

INSERT INTO emp VALUES (7788,'SCOTT','ANALYST',7566,'87-7-13',3000,NULL,20);

INSERT INTO emp VALUES (7839,'KING','PRESIDENT',NULL,'1981-11-17',5000,NULL,10);

INSERT INTO emp VALUES (7844,'TURNER','SALESMAN',7698,'1981-9-8',1500,0,30);

INSERT INTO emp VALUES (7876,'ADAMS','CLERK',7788,'87-7-13',1100,NULL,20);

INSERT INTO emp VALUES (7900,'JAMES','CLERK',7698,'1981-12-3',950,NULL,30);

INSERT INTO emp VALUES (7902,'FORD','ANALYST',7566,'1981-12-3',3000,NULL,20);

INSERT INTO emp VALUES (7934,'MILLER','CLERK',7782,'1982-1-23',1300,NULL,10);

INSERT INTO salgrade VALUES (1,700,1200);

INSERT INTO salgrade VALUES (2,1201,1400);

INSERT INTO salgrade VALUES (3,1401,2000);

INSERT INTO salgrade VALUES (4,2001,3000);

INSERT INTO salgrade VALUES (5,3001,9999);